Profile: SureFire, LLC provides illumination tools and tactical products. We are an ISO 9001:2000 certified company. Our product line includes flashlights, headlamps, weapon lights, helmet lights, fire rescue lights, batteries, earpro products, apparel, pens and accessories. Our pen boasts a rugged aerospace-grade aluminum body, and the retractable-tip pen comes with a tumble-polished stainless steel tip, tailcap and heavy-duty pocket clip. The sculpted tailcap features a rounded window breaker ready for emergency use. Our flashlight boasts impressive output from a single 123A lithium battery. It also offers a near infinite range of lower output settings which allows conservation of battery power & preserves night vision when doing close work like map reading.